Question #6424234Single Choice

Biology

Question

In a pedigree for an autosomal recessive trait.

What are the most likely genotypes of all family members?

I-1 and I-2: Aa (heterozygous); II-1 and II-2: Aa (heterozygous)

I-1 and I-2: aa (homozygous recessive); II-1 and II-2: aa (homozygous recessive)

I-1 and I-2: Aa (heterozygous); II-1 and II-2: aa (homozygous recessive)

I-1 and I-2: aa (homozygous recessive); II-1 and II-2: Aa (heterozygous)

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